dehydration

noun

de·​hy·​dra·​tion ˌdē-ˌhī-ˈdrā-shən How to pronounce dehydration (audio)
: the process of dehydrating
especially : an abnormal depletion of body fluids

Examples of dehydration in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
At high levels, exposure to arsenic can cause symptoms ranging from nausea, vomiting, and diarrhea to dehydration and shock. Jasmine Laws, MSNBC Newsweek, 20 June 2025 Individuals who develop an O157:H7 infection should also drink plenty of fluids to prevent dehydration from diarrhea. Katia Hetter, CNN Money, 13 June 2025 Make sure to drink plenty of water with your pain reliever, especially since being in the sun likely means your skin and body is experiencing dehydration. Amber Rambharose, Glamour, 12 June 2025 Complications such as diarrhea can cause dehydration, so drink plenty of fluids. Mark Fischetti, Scientific American, 9 June 2025 See All Example Sentences for dehydration

Word History

First Known Use

1854, in the meaning defined above

Time Traveler
The first known use of dehydration was in 1854

Browse Nearby Words

Cite this Entry

“Dehydration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dehydration. Accessed 1 Jul. 2025.

Medical Definition

dehydration

noun
de·​hy·​dra·​tion ˌdē-hī-ˈdrā-shən How to pronounce dehydration (audio)
: the process of dehydrating
especially : an abnormal depletion of body fluids
Last Updated: - Updated example sentences
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